I've assembled a collection of links which might be useful if you plan on contacting government officials to let them know of your displeasure with the recent decision of HHS Secretary Sebelius and President Obama to mandate medical insurance which covers morally objectionable medications and procedures for employees of Catholic institutions.
The USCCB has a link to Congress to advocate for legislation which more fully protects the rights of individuals and institutions from coercion of their consciences.
Contact the White House
Contact Secretary Kathleen Sebelius at Health and Human Services
The USCCB has a good collection of links and articles about conscience protection at their webpage.